a kitten of mass 0.60kg leaps at 30 degrees to the horizontal out of a toy truck of mass 1.25kg causing it to move over horizontal ground at 4.0m/s .At what speed did the kitten leap?

Answer 1

0=m₁v₁cosα + m₂v₂.
v₁= - m₂v₂/m₁ cosα=
= - 1.25•4/0.60•cos30 = - 9.62 m/s